This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the main purpose of the polymerase chain reaction (PCR)? A) To sequence DNA. B) To amplify DNA. C) To mutate DNA. D) To degrade DNA. Show Answer Correct Answer: B) To amplify DNA. 2. Which of the Following statements about restriction enzymes is false? A) They work on DNA extracted from all types of organism. B) They are used to glue together short segments of DNA. C) They come in many varieties each with its own DNA target sequence. D) They are highly specific for their DNA target sequences. Show Answer Correct Answer: B) They are used to glue together short segments of DNA. 3. What is the role of molecular markers in plant biotechnology? A) To make plants smell better. B) To identify specific genetic traits. C) To color the plants. D) To water the plants. Show Answer Correct Answer: B) To identify specific genetic traits. 4. A scientist is working on genetically modifying wheat to be more drought resistant. Where would the scientist most likely work? A) A grocery store. B) A biotechnology lab. C) A drug manufacturing facility. D) A food processing plant. Show Answer Correct Answer: B) A biotechnology lab. 5. A rice strain that has been genetically modified to make Vitamin-A A) Brown Rice. B) Yellow Rice. C) Golden Rice. D) Vitamin Rice. Show Answer Correct Answer: C) Golden Rice. 6. A company that creates hair dye would most likely employ a biotechnician for which job? A) Researching trends. B) Developing new colors. C) Creating cost-effective packaging. D) Developing a product that will be safe for consumers. Show Answer Correct Answer: D) Developing a product that will be safe for consumers. 7. Which of the following is an example of biotechnology? A) Using yeast to ferment food. B) Studying the rate of growth of algae. C) Adding fertilizer to crops. D) Using a computer program to model the shape of a virus. Show Answer Correct Answer: A) Using yeast to ferment food. 8. What is the primary function of a DNA microarray in biotechnology? A) To measure the expression levels of large numbers of genes simultaneously. B) To sequence the entire genome. C) To clone genes. D) To edit genes. Show Answer Correct Answer: A) To measure the expression levels of large numbers of genes simultaneously. 9. A form of technology that uses living things. A) Biotechnology. B) Genes. C) Genome. D) Agriculture. Show Answer Correct Answer: A) Biotechnology. 10. Which has impacted North Carolina's economy the least in the field of bioremediation? A) Cleaning of air pollution. B) Cleaning of soil pollution. C) Cleaning of water pollution. D) None of the above. Show Answer Correct Answer: A) Cleaning of air pollution. 11. It is a process of inserting human insulin into bacterial plasmid during the production of artificial insulin. A) Gene therapy. B) Stem cell project. C) Human cloning. D) Bacterial transformation. Show Answer Correct Answer: D) Bacterial transformation. 12. A genetically engineered DNA made from two different organisms is called A) Mutated DNA. B) Replicated DNA. C) Recombinant DNA. D) Translocated DNA. Show Answer Correct Answer: C) Recombinant DNA. 13. Farmers use insecticides and fertilizers on their fruit and vegetable crops. Which best describes the effect of these chemicals? A) The crops require less water and nutrients to grow. B) The crops are more susceptible to insect damage. C) The crops yield smaller fruits and vegetables. D) The crops yield more fruits and vegetables. Show Answer Correct Answer: D) The crops yield more fruits and vegetables. 14. This produces multiple identical copies of a gene for basic research A) Restriction enzymes. B) Gene cloning. C) DNA ligase. D) Gel electrophoresis. Show Answer Correct Answer: B) Gene cloning. 15. Choose the explant used in meristem culture. A) Anther. B) Ovary. C) Shoot tip. D) Leaf. Show Answer Correct Answer: C) Shoot tip. 16. Measles is a disease caused by a virus. Which is the most effective way to keep measles from spreading? A) Giving antiviral medicine to people who have measles. B) Having healthy people wash hands often. C) Giving antibiotics to people with measles. D) Vaccinating healthy people against measles. Show Answer Correct Answer: D) Vaccinating healthy people against measles. 17. What is the process in which an unspecialized stem cell turns into a specialized body cell? A) DNA Replication. B) Differentiation. C) Respiration. D) Genetic Modification. Show Answer Correct Answer: B) Differentiation. 18. DNA fingerprinting is based on: A) Repetitive DNA sequences. B) MRNA sequences. C) Protein patterns. D) Lipid profiles. Show Answer Correct Answer: A) Repetitive DNA sequences. 19. Which of the following is molecular scissors? A) EcoRI. B) Hind III. C) Bam H II. D) All of these. Show Answer Correct Answer: D) All of these. 20. In the lac operon model, the genes within the operon will be expressed if A) Lactose is absent in the cell. B) Glucose is present in the cell. C) Lactose is present in the cell. D) Tryptophan is present. Show Answer Correct Answer: C) Lactose is present in the cell. 21. To make an identical copy of an organism using its DNA. A) Cloning. B) Gene. C) Modify. D) Aquaculture. Show Answer Correct Answer: A) Cloning. 22. Which of the following best describes the ethical concern of 'playing God' in biotechnology? A) Altering the natural genetic makeup of organisms. B) Increasing crop yields through traditional farming. C) Using natural selection to breed animals. D) Developing new flavors of fruits through cross-breeding. Show Answer Correct Answer: A) Altering the natural genetic makeup of organisms. 23. Bioreactor are used as A) High level of pH. B) Low level of pH. C) Temperature control. D) Both a and b. Show Answer Correct Answer: C) Temperature control. 24. A key advantage of grouping genes with related functions is that a single "on-off" switch can control the whole cluster. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 25. Metals used for coating DNA fragment in wireless stick method are A) Gold and iron. B) Gold and platinum. C) Tungsten and magnesium. D) Tungsten and gold. Show Answer Correct Answer: D) Tungsten and gold. ← PreviousNext →Related QuizzesClass 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 1Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 2Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 3Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 4Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 5Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 6Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 7Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 8Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 9Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books